Israeli forces captured a 900-year-old castle in southern Lebanon, marking their deepest incursion in 26 years and complicating U.S.-Iran peace talks. Congress returns from recess facing a stalled immigration bill entangled with Trump's nearly $1.8 billion anti-weaponization fund—which could pay January 6 defendants and now faces court challenges blocking payouts. Israeli military operations in Lebanon directly undermine Iran nuclear negotiations because Iran insists any deal must address conflicts in both countries simultaneously.